'use strict';

exports.__esModule = true;
// istanbul ignore next

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _visitor = require('./visitor');

var _visitor2 = _interopRequireDefault(_visitor);

function WhitespaceControl() {
  var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

  this.options = options;
}
WhitespaceControl.prototype = new _visitor2['default']();

WhitespaceControl.prototype.Program = function (program) {
  var doStandalone = !this.options.ignoreStandalone;

  var isRoot = !this.isRootSeen;
  this.isRootSeen = true;

  var body = program.body;
  for (var i = 0, l = body.length; i < l; i++) {
    var current = body[i],
        strip = this.accept(current);

    if (!strip) {
      continue;
    }

    var _isPrevWhitespace = isPrevWhitespace(body, i, isRoot),
        _isNextWhitespace = isNextWhitespace(body, i, isRoot),
        openStandalone = strip.openStandalone && _isPrevWhitespace,
        closeStandalone = strip.closeStandalone && _isNextWhitespace,
        inlineStandalone = strip.inlineStandalone && _isPrevWhitespace && _isNextWhitespace;

    if (strip.close) {
      omitRight(body, i, true);
    }
    if (strip.open) {
      omitLeft(body, i, true);
    }

    if (doStandalone && inlineStandalone) {
      omitRight(body, i);

      if (omitLeft(body, i)) {
        // If we are on a standalone node, save the indent info for partials
        if (current.type === 'PartialStatement') {
          // Pull out the whitespace from the final line
          current.indent = /([ \t]+$)/.exec(body[i - 1].original)[1];
        }
      }
    }
    if (doStandalone && openStandalone) {
      omitRight((current.program || current.inverse).body);

      // Strip out the previous content node if it's whitespace only
      omitLeft(body, i);
    }
    if (doStandalone && closeStandalone) {
      // Always strip the next node
      omitRight(body, i);

      omitLeft((current.inverse || current.program).body);
    }
  }

  return program;
};

WhitespaceControl.prototype.BlockStatement = WhitespaceControl.prototype.DecoratorBlock = WhitespaceControl.prototype.PartialBlockStatement = function (block) {
  this.accept(block.program);
  this.accept(block.inverse);

  // Find the inverse program that is involed with whitespace stripping.
  var program = block.program || block.inverse,
      inverse = block.program && block.inverse,
      firstInverse = inverse,
      lastInverse = inverse;

  if (inverse && inverse.chained) {
    firstInverse = inverse.body[0].program;

    // Walk the inverse chain to find the last inverse that is actually in the chain.
    while (lastInverse.chained) {
      lastInverse = lastInverse.body[lastInverse.body.length - 1].program;
    }
  }

  var strip = {
    open: block.openStrip.open,
    close: block.closeStrip.close,

    // Determine the standalone candiacy. Basically flag our content as being possibly standalone
    // so our parent can determine if we actually are standalone
    openStandalone: isNextWhitespace(program.body),
    closeStandalone: isPrevWhitespace((firstInverse || program).body)
  };

  if (block.openStrip.close) {
    omitRight(program.body, null, true);
  }

  if (inverse) {
    var inverseStrip = block.inverseStrip;

    if (inverseStrip.open) {
      omitLeft(program.body, null, true);
    }

    if (inverseStrip.close) {
      omitRight(firstInverse.body, null, true);
    }
    if (block.closeStrip.open) {
      omitLeft(lastInverse.body, null, true);
    }

    // Find standalone else statments
    if (!this.options.ignoreStandalone && isPrevWhitespace(program.body) && isNextWhitespace(firstInverse.body)) {
      omitLeft(program.body);
      omitRight(firstInverse.body);
    }
  } else if (block.closeStrip.open) {
    omitLeft(program.body, null, true);
  }

  return strip;
};

WhitespaceControl.prototype.Decorator = WhitespaceControl.prototype.MustacheStatement = function (mustache) {
  return mustache.strip;
};

WhitespaceControl.prototype.PartialStatement = WhitespaceControl.prototype.CommentStatement = function (node) {
  /* istanbul ignore next */
  var strip = node.strip || {};
  return {
    inlineStandalone: true,
    open: strip.open,
    close: strip.close
  };
};

function isPrevWhitespace(body, i, isRoot) {
  if (i === undefined) {
    i = body.length;
  }

  // Nodes that end with newlines are considered whitespace (but are special
  // cased for strip operations)
  var prev = body[i - 1],
      sibling = body[i - 2];
  if (!prev) {
    return isRoot;
  }

  if (prev.type === 'ContentStatement') {
    return (sibling || !isRoot ? /\r?\n\s*?$/ : /(^|\r?\n)\s*?$/).test(prev.original);
  }
}
function isNextWhitespace(body, i, isRoot) {
  if (i === undefined) {
    i = -1;
  }

  var next = body[i + 1],
      sibling = body[i + 2];
  if (!next) {
    return isRoot;
  }

  if (next.type === 'ContentStatement') {
    return (sibling || !isRoot ? /^\s*?\r?\n/ : /^\s*?(\r?\n|$)/).test(next.original);
  }
}

// Marks the node to the right of the position as omitted.
// I.e. {{foo}}' ' will mark the ' ' node as omitted.
//
// If i is undefined, then the first child will be marked as such.
//
// If mulitple is truthy then all whitespace will be stripped out until non-whitespace
// content is met.
function omitRight(body, i, multiple) {
  var current = body[i == null ? 0 : i + 1];
  if (!current || current.type !== 'ContentStatement' || !multiple && current.rightStripped) {
    return;
  }

  var original = current.value;
  current.value = current.value.replace(multiple ? /^\s+/ : /^[ \t]*\r?\n?/, '');
  current.rightStripped = current.value !== original;
}

// Marks the node to the left of the position as omitted.
// I.e. ' '{{foo}} will mark the ' ' node as omitted.
//
// If i is undefined then the last child will be marked as such.
//
// If mulitple is truthy then all whitespace will be stripped out until non-whitespace
// content is met.
function omitLeft(body, i, multiple) {
  var current = body[i == null ? body.length - 1 : i - 1];
  if (!current || current.type !== 'ContentStatement' || !multiple && current.leftStripped) {
    return;
  }

  // We omit the last node if it's whitespace only and not preceded by a non-content node.
  var original = current.value;
  current.value = current.value.replace(multiple ? /\s+$/ : /[ \t]+$/, '');
  current.leftStripped = current.value !== original;
  return current.leftStripped;
}

exports['default'] = WhitespaceControl;
module.exports = exports['default'];
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../lib/handlebars/compiler/whitespace-control.js"],"names":[],"mappings":";;;;;;;uBAAoB,WAAW;;;;AAE/B,SAAS,iBAAiB,GAAe;MAAd,OAAO,yDAAG,EAAE;;AACrC,MAAI,CAAC,OAAO,GAAG,OAAO,CAAC;CACxB;AACD,iBAAiB,CAAC,SAAS,GAAG,0BAAa,CAAC;;AAE5C,iBAAiB,CAAC,SAAS,CAAC,OAAO,GAAG,UAAS,OAAO,EAAE;AACtD,MAAM,YAAY,GAAG,CAAC,IAAI,CAAC,OAAO,CAAC,gBAAgB,CAAC;;AAEpD,MAAI,MAAM,GAAG,CAAC,IAAI,CAAC,UAAU,CAAC;AAC9B,MAAI,CAAC,UAAU,GAAG,IAAI,CAAC;;AAEvB,MAAI,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;AACxB,OAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;AAC3C,QAAI,OAAO,GAAG,IAAI,CAAC,CAAC,CAAC;QACnB,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC;;AAE/B,QAAI,CAAC,KAAK,EAAE;AACV,eAAS;KACV;;AAED,QAAI,iBAAiB,GAAG,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,CAAC;QACvD,iBAAiB,GAAG,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,CAAC;QACrD,cAAc,GAAG,KAAK,CAAC,cAAc,IAAI,iBAAiB;QAC1D,eAAe,GAAG,KAAK,CAAC,eAAe,IAAI,iBAAiB;QAC5D,gBAAgB,GACd,KAAK,CAAC,gBAAgB,IAAI,iBAAiB,IAAI,iBAAiB,CAAC;;AAErE,QAAI,KAAK,CAAC,KAAK,EAAE;AACf,eAAS,CAAC,IAAI,EAAE,CAAC,EAAE,IAAI,CAAC,CAAC;KAC1B;AACD,QAAI,KAAK,CAAC,IAAI,EAAE;AACd,cAAQ,CAAC,IAAI,EAAE,CAAC,EAAE,IAAI,CAAC,CAAC;KACzB;;AAED,QAAI,YAAY,IAAI,gBAAgB,EAAE;AACpC,eAAS,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;;AAEnB,UAAI,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,EAAE;;AAErB,YAAI,OAAO,CAAC,IAAI,KAAK,kBAAkB,EAAE;;AAEvC,iBAAO,CAAC,MAAM,GAAG,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC;SAC5D;OACF;KACF;AACD,QAAI,YAAY,IAAI,cAAc,EAAE;AAClC,eAAS,CAAC,CAAC,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,OAAO,CAAA,CAAE,IAAI,CAAC,CAAC;;;AAGrD,cAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;KACnB;AACD,QAAI,YAAY,IAAI,eAAe,EAAE;;AAEnC,eAAS,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;;AAEnB,cAAQ,CAAC,CAAC,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,OAAO,CAAA,CAAE,IAAI,CAAC,CAAC;KACrD;GACF;;AAED,SAAO,OAAO,CAAC;CAChB,CAAC;;AAEF,iBAAiB,CAAC,SAAS,CAAC,cAAc,GAAG,iBAAiB,CAAC,SAAS,CAAC,cAAc,GAAG,iBAAiB,CAAC,SAAS,CAAC,qBAAqB,GAAG,UAC5I,KAAK,EACL;AACA,MAAI,CAAC,MAAM,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;AAC3B,MAAI,CAAC,MAAM,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;;;AAG3B,MAAI,OAAO,GAAG,KAAK,CAAC,OAAO,IAAI,KAAK,CAAC,OAAO;MAC1C,OAAO,GAAG,KAAK,CAAC,OAAO,IAAI,KAAK,CAAC,OAAO;MACxC,YAAY,GAAG,OAAO;MACtB,WAAW,GAAG,OAAO,CAAC;;AAExB,MAAI,OAAO,IAAI,OAAO,CAAC,OAAO,EAAE;AAC9B,gBAAY,GAAG,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC;;;AAGvC,WAAO,WAAW,CAAC,OAAO,EAAE;AAC1B,iBAAW,GAAG,WAAW,CAAC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,OAAO,CAAC;KACrE;GACF;;AAED,MAAI,KAAK,GAAG;AACV,QAAI,EAAE,KAAK,CAAC,SAAS,CAAC,IAAI;AAC1B,SAAK,EAAE,KAAK,CAAC,UAAU,CAAC,KAAK;;;;AAI7B,kBAAc,EAAE,gBAAgB,CAAC,OAAO,CAAC,IAAI,CAAC;AAC9C,mBAAe,EAAE,gBAAgB,CAAC,CAAC,YAAY,IAAI,OAAO,CAAA,CAAE,IAAI,CAAC;GAClE,CAAC;;AAEF,MAAI,KAAK,CAAC,SAAS,CAAC,KAAK,EAAE;AACzB,aAAS,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;GACrC;;AAED,MAAI,OAAO,EAAE;AACX,QAAI,YAAY,GAAG,KAAK,CAAC,YAAY,CAAC;;AAEtC,QAAI,YAAY,CAAC,IAAI,EAAE;AACrB,cAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACpC;;AAED,QAAI,YAAY,CAAC,KAAK,EAAE;AACtB,eAAS,CAAC,YAAY,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KAC1C;AACD,QAAI,KAAK,CAAC,UAAU,CAAC,IAAI,EAAE;AACzB,cAAQ,CAAC,WAAW,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;KACxC;;;AAGD,QACE,CAAC,IAAI,CAAC,OAAO,CAAC,gBAAgB,IAC9B,gBAAgB,CAAC,OAAO,CAAC,IAAI,CAAC,IAC9B,gBAAgB,CAAC,YAAY,CAAC,IAAI,CAAC,EACnC;AACA,cAAQ,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;AACvB,eAAS,CAAC,YAAY,CAAC,IAAI,CAAC,CAAC;KAC9B;GACF,MAAM,IAAI,KAAK,CAAC,UAAU,CAAC,IAAI,EAAE;AAChC,YAAQ,CAAC,OAAO,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;GACpC;;AAED,SAAO,KAAK,CAAC;CACd,CAAC;;AAEF,iBAAiB,CAAC,SAAS,CAAC,SAAS,GAAG,iBAAiB,CAAC,SAAS,CAAC,iBAAiB,GAAG,UACtF,QAAQ,EACR;AACA,SAAO,QAAQ,CAAC,KAAK,CAAC;CACvB,CAAC;;AAEF,iBAAiB,CAAC,SAAS,CAAC,gBAAgB,GAAG,iBAAiB,CAAC,SAAS,CAAC,gBAAgB,GAAG,UAC5F,IAAI,EACJ;;AAEA,MAAI,KAAK,GAAG,IAAI,CAAC,KAAK,IAAI,EAAE,CAAC;AAC7B,SAAO;AACL,oBAAgB,EAAE,IAAI;AACtB,QAAI,EAAE,KAAK,CAAC,IAAI;AAChB,SAAK,EAAE,KAAK,CAAC,KAAK;GACnB,CAAC;CACH,CAAC;;AAEF,SAAS,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,EAAE;AACzC,MAAI,CAAC,KAAK,SAAS,EAAE;AACnB,KAAC,GAAG,IAAI,CAAC,MAAM,CAAC;GACjB;;;;AAID,MAAI,IAAI,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;MACpB,OAAO,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AACxB,MAAI,CAAC,IAAI,EAAE;AACT,WAAO,MAAM,CAAC;GACf;;AAED,MAAI,IAAI,CAAC,IAAI,KAAK,kBAAkB,EAAE;AACpC,WAAO,CAAC,OAAO,IAAI,CAAC,MAAM,GAAG,YAAY,GAAG,gBAAgB,CAAA,CAAE,IAAI,CAChE,IAAI,CAAC,QAAQ,CACd,CAAC;GACH;CACF;AACD,SAAS,gBAAgB,CAAC,IAAI,EAAE,CAAC,EAAE,MAAM,EAAE;AACzC,MAAI,CAAC,KAAK,SAAS,EAAE;AACnB,KAAC,GAAG,CAAC,CAAC,CAAC;GACR;;AAED,MAAI,IAAI,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;MACpB,OAAO,GAAG,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AACxB,MAAI,CAAC,IAAI,EAAE;AACT,WAAO,MAAM,CAAC;GACf;;AAED,MAAI,IAAI,CAAC,IAAI,KAAK,kBAAkB,EAAE;AACpC,WAAO,CAAC,OAAO,IAAI,CAAC,MAAM,GAAG,YAAY,GAAG,gBAAgB,CAAA,CAAE,IAAI,CAChE,IAAI,CAAC,QAAQ,CACd,CAAC;GACH;CACF;;;;;;;;;AASD,SAAS,SAAS,CAAC,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE;AACpC,MAAI,OAAO,GAAG,IAAI,CAAC,CAAC,IAAI,IAAI,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC;AAC1C,MACE,CAAC,OAAO,IACR,OAAO,CAAC,IAAI,KAAK,kBAAkB,IAClC,CAAC,QAAQ,IAAI,OAAO,CAAC,aAAa,AAAC,EACpC;AACA,WAAO;GACR;;AAED,MAAI,QAAQ,GAAG,OAAO,CAAC,KAAK,CAAC;AAC7B,SAAO,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC,OAAO,CACnC,QAAQ,GAAG,MAAM,GAAG,eAAe,EACnC,EAAE,CACH,CAAC;AACF,SAAO,CAAC,aAAa,GAAG,OAAO,CAAC,KAAK,KAAK,QAAQ,CAAC;CACpD;;;;;;;;;AASD,SAAS,QAAQ,CAAC,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE;AACnC,MAAI,OAAO,GAAG,IAAI,CAAC,CAAC,IAAI,IAAI,GAAG,IAAI,CAAC,MAAM,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC;AACxD,MACE,CAAC,OAAO,IACR,OAAO,CAAC,IAAI,KAAK,kBAAkB,IAClC,CAAC,QAAQ,IAAI,OAAO,CAAC,YAAY,AAAC,EACnC;AACA,WAAO;GACR;;;AAGD,MAAI,QAAQ,GAAG,OAAO,CAAC,KAAK,CAAC;AAC7B,SAAO,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,GAAG,MAAM,GAAG,SAAS,EAAE,EAAE,CAAC,CAAC;AACzE,SAAO,CAAC,YAAY,GAAG,OAAO,CAAC,KAAK,KAAK,QAAQ,CAAC;AAClD,SAAO,OAAO,CAAC,YAAY,CAAC;CAC7B;;qBAEc,iBAAiB","file":"whitespace-control.js","sourcesContent":["import Visitor from './visitor';\n\nfunction WhitespaceControl(options = {}) {\n  this.options = options;\n}\nWhitespaceControl.prototype = new Visitor();\n\nWhitespaceControl.prototype.Program = function(program) {\n  const doStandalone = !this.options.ignoreStandalone;\n\n  let isRoot = !this.isRootSeen;\n  this.isRootSeen = true;\n\n  let body = program.body;\n  for (let i = 0, l = body.length; i < l; i++) {\n    let current = body[i],\n      strip = this.accept(current);\n\n    if (!strip) {\n      continue;\n    }\n\n    let _isPrevWhitespace = isPrevWhitespace(body, i, isRoot),\n      _isNextWhitespace = isNextWhitespace(body, i, isRoot),\n      openStandalone = strip.openStandalone && _isPrevWhitespace,\n      closeStandalone = strip.closeStandalone && _isNextWhitespace,\n      inlineStandalone =\n        strip.inlineStandalone && _isPrevWhitespace && _isNextWhitespace;\n\n    if (strip.close) {\n      omitRight(body, i, true);\n    }\n    if (strip.open) {\n      omitLeft(body, i, true);\n    }\n\n    if (doStandalone && inlineStandalone) {\n      omitRight(body, i);\n\n      if (omitLeft(body, i)) {\n        // If we are on a standalone node, save the indent info for partials\n        if (current.type === 'PartialStatement') {\n          // Pull out the whitespace from the final line\n          current.indent = /([ \\t]+$)/.exec(body[i - 1].original)[1];\n        }\n      }\n    }\n    if (doStandalone && openStandalone) {\n      omitRight((current.program || current.inverse).body);\n\n      // Strip out the previous content node if it's whitespace only\n      omitLeft(body, i);\n    }\n    if (doStandalone && closeStandalone) {\n      // Always strip the next node\n      omitRight(body, i);\n\n      omitLeft((current.inverse || current.program).body);\n    }\n  }\n\n  return program;\n};\n\nWhitespaceControl.prototype.BlockStatement = WhitespaceControl.prototype.DecoratorBlock = WhitespaceControl.prototype.PartialBlockStatement = function(\n  block\n) {\n  this.accept(block.program);\n  this.accept(block.inverse);\n\n  // Find the inverse program that is involed with whitespace stripping.\n  let program = block.program || block.inverse,\n    inverse = block.program && block.inverse,\n    firstInverse = inverse,\n    lastInverse = inverse;\n\n  if (inverse && inverse.chained) {\n    firstInverse = inverse.body[0].program;\n\n    // Walk the inverse chain to find the last inverse that is actually in the chain.\n    while (lastInverse.chained) {\n      lastInverse = lastInverse.body[lastInverse.body.length - 1].program;\n    }\n  }\n\n  let strip = {\n    open: block.openStrip.open,\n    close: block.closeStrip.close,\n\n    // Determine the standalone candiacy. Basically flag our content as being possibly standalone\n    // so our parent can determine if we actually are standalone\n    openStandalone: isNextWhitespace(program.body),\n    closeStandalone: isPrevWhitespace((firstInverse || program).body)\n  };\n\n  if (block.openStrip.close) {\n    omitRight(program.body, null, true);\n  }\n\n  if (inverse) {\n    let inverseStrip = block.inverseStrip;\n\n    if (inverseStrip.open) {\n      omitLeft(program.body, null, true);\n    }\n\n    if (inverseStrip.close) {\n      omitRight(firstInverse.body, null, true);\n    }\n    if (block.closeStrip.open) {\n      omitLeft(lastInverse.body, null, true);\n    }\n\n    // Find standalone else statments\n    if (\n      !this.options.ignoreStandalone &&\n      isPrevWhitespace(program.body) &&\n      isNextWhitespace(firstInverse.body)\n    ) {\n      omitLeft(program.body);\n      omitRight(firstInverse.body);\n    }\n  } else if (block.closeStrip.open) {\n    omitLeft(program.body, null, true);\n  }\n\n  return strip;\n};\n\nWhitespaceControl.prototype.Decorator = WhitespaceControl.prototype.MustacheStatement = function(\n  mustache\n) {\n  return mustache.strip;\n};\n\nWhitespaceControl.prototype.PartialStatement = WhitespaceControl.prototype.CommentStatement = function(\n  node\n) {\n  /* istanbul ignore next */\n  let strip = node.strip || {};\n  return {\n    inlineStandalone: true,\n    open: strip.open,\n    close: strip.close\n  };\n};\n\nfunction isPrevWhitespace(body, i, isRoot) {\n  if (i === undefined) {\n    i = body.length;\n  }\n\n  // Nodes that end with newlines are considered whitespace (but are special\n  // cased for strip operations)\n  let prev = body[i - 1],\n    sibling = body[i - 2];\n  if (!prev) {\n    return isRoot;\n  }\n\n  if (prev.type === 'ContentStatement') {\n    return (sibling || !isRoot ? /\\r?\\n\\s*?$/ : /(^|\\r?\\n)\\s*?$/).test(\n      prev.original\n    );\n  }\n}\nfunction isNextWhitespace(body, i, isRoot) {\n  if (i === undefined) {\n    i = -1;\n  }\n\n  let next = body[i + 1],\n    sibling = body[i + 2];\n  if (!next) {\n    return isRoot;\n  }\n\n  if (next.type === 'ContentStatement') {\n    return (sibling || !isRoot ? /^\\s*?\\r?\\n/ : /^\\s*?(\\r?\\n|$)/).test(\n      next.original\n    );\n  }\n}\n\n// Marks the node to the right of the position as omitted.\n// I.e. {{foo}}' ' will mark the ' ' node as omitted.\n//\n// If i is undefined, then the first child will be marked as such.\n//\n// If mulitple is truthy then all whitespace will be stripped out until non-whitespace\n// content is met.\nfunction omitRight(body, i, multiple) {\n  let current = body[i == null ? 0 : i + 1];\n  if (\n    !current ||\n    current.type !== 'ContentStatement' ||\n    (!multiple && current.rightStripped)\n  ) {\n    return;\n  }\n\n  let original = current.value;\n  current.value = current.value.replace(\n    multiple ? /^\\s+/ : /^[ \\t]*\\r?\\n?/,\n    ''\n  );\n  current.rightStripped = current.value !== original;\n}\n\n// Marks the node to the left of the position as omitted.\n// I.e. ' '{{foo}} will mark the ' ' node as omitted.\n//\n// If i is undefined then the last child will be marked as such.\n//\n// If mulitple is truthy then all whitespace will be stripped out until non-whitespace\n// content is met.\nfunction omitLeft(body, i, multiple) {\n  let current = body[i == null ? body.length - 1 : i - 1];\n  if (\n    !current ||\n    current.type !== 'ContentStatement' ||\n    (!multiple && current.leftStripped)\n  ) {\n    return;\n  }\n\n  // We omit the last node if it's whitespace only and not preceded by a non-content node.\n  let original = current.value;\n  current.value = current.value.replace(multiple ? /\\s+$/ : /[ \\t]+$/, '');\n  current.leftStripped = current.value !== original;\n  return current.leftStripped;\n}\n\nexport default WhitespaceControl;\n"]}
